方程:y+[2/(y-1)]=a+[2/(a-1)]可以化为:
(y-1)+[2/(y-1)]=(a-1)+[2/(a-1)]
类比下题目中的题型【将y-1看成一个整体】,得:
此方程是根应该是:y-1=a-1或y-1=2/(a-1)
即:y=a或y=(a+1)/(a-1)
方程:y+[2/(y-1)]=a+[2/(a-1)]可以化为:
(y-1)+[2/(y-1)]=(a-1)+[2/(a-1)]
类比下题目中的题型【将y-1看成一个整体】,得:
此方程是根应该是:y-1=a-1或y-1=2/(a-1)
即:y=a或y=(a+1)/(a-1)